Use this app to manage your HP All-in-One printer..
This printer app lets you manage the functions of your HP All-in-One printer. To ensure compatibility, make sure the printer says ePrint. The app only works over Wi-Fi and will not work when out of network range. But from the HP app, you can check the printer status, check the ink and toner level….
A scientific calculator in the palm of your hand.
If you don't often have to deal with numbers, equations, and complex operations, the calculator that comes pre-installed on your phone will probably serve you well. If, however, you're a mathematician, engineer, or scientist, perhaps Droid48 will be a good addition to your phone.